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Side by Side Diff: remoting/ios/authorize.mm

Issue 278863003: Chromoting iOS client (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #if !defined(__has_feature) || !__has_feature(objc_arc)
6 #error "This file requires ARC support."
7 #endif
8
9 #import "remoting/ios/authorize.h"
10
11 // TODO (aboone) This include is for The Google Toolbox for Mac OAuth 2
12 // Controllers https://code.google.com/p/gtm-oauth2/ This may need to be added
13 // as a third-party or locate the proper project in Chromium.
14 #import "GTMOAuth2ViewControllerTouch.h"
15
16 #include "google_apis/google_api_keys.h"
17 // TODO (aboone) Pulling in some service values from the host side. The cc's
18 // are also compiled as part of this project because the target remoting_host
19 // does not build on iOS right now.
20 #include "remoting/host/service_urls.h"
21 #include "remoting/host/setup/oauth_helper.h"
22
23 namespace {
24 static NSString* const kKeychainItemName = @"Google Chromoting iOS";
25
26 NSString* ClientId() {
27 return
28 [NSString stringWithUTF8String:google_apis::GetOAuth2ClientID(
29 google_apis::CLIENT_REMOTING).c_str()];
30 }
31
32 NSString* ClientSecret() {
33 return
34 [NSString stringWithUTF8String:google_apis::GetOAuth2ClientSecret(
35 google_apis::CLIENT_REMOTING).c_str()];
36 }
37
38 NSString* Scopes() {
39 return [NSString stringWithUTF8String:remoting::GetOauthScope().c_str()];
40 }
41
42 NSMutableString* HostURL() {
43 return
44 [NSMutableString stringWithUTF8String:remoting::ServiceUrls::GetInstance()
45 ->directory_hosts_url()
46 .c_str()];
47 }
48
49 NSString* APIKey() {
50 return [NSString stringWithUTF8String:google_apis::GetAPIKey().c_str()];
51 }
52
53 } // namespace
54
55 @implementation Authorize
56
57 + (GTMOAuth2Authentication*)getAnyExistingAuthorization {
58 // Ensure the google_apis lib has keys
59 // If this check fails then google_apis was not built right
60 // TODO (aboone) For now we specify the preprocessor macros for
61 // GOOGLE_CLIENT_SECRET_REMOTING and GOOGLE_CLIENT_ID_REMOTING when building
62 // the google_apis target. The values may be developer specific, and should
63 // be well know to the project staff.
64 // See http://www.chromium.org/developers/how-tos/api-keys for more general
65 // information.
66 DCHECK(![ClientId() isEqualToString:@"dummytoken"]);
67
68 return [GTMOAuth2ViewControllerTouch
69 authForGoogleFromKeychainForName:kKeychainItemName
70 clientID:ClientId()
71 clientSecret:ClientSecret()];
72 }
73
74 + (void)beginRequest:(GTMOAuth2Authentication*)authReq
75 delegate:(id)delegate
76 didFinishSelector:(SEL)sel {
77 // Build request URL using API HTTP endpoint, and our api key
78 NSMutableString* hostsUrl = HostURL();
79 [hostsUrl appendString:@"?key="];
80 [hostsUrl appendString:APIKey()];
81
82 NSMutableURLRequest* theRequest =
83 [NSMutableURLRequest requestWithURL:[NSURL URLWithString:hostsUrl]];
84
85 // Add scopes if needed
86 NSString* scope = authReq.scope;
87
88 if ([scope rangeOfString:Scopes()].location == NSNotFound) {
89 scope = [GTMOAuth2Authentication scopeWithStrings:scope, Scopes(), nil];
90 authReq.scope = scope;
91 }
92
93 // Execute request async
94 [authReq authorizeRequest:theRequest delegate:delegate didFinishSelector:sel];
95 }
96
97 + (void)appendCredentials:(NSMutableURLRequest*)request {
98 // Add credentials for service
99 [request addValue:ClientId() forHTTPHeaderField:@"client_id"];
100 [request addValue:ClientSecret() forHTTPHeaderField:@"client_secret"];
101 }
102
103 + (UINavigationController*)createLoginController:(id)delegate
104 finishedSelector:(SEL)finishedSelector {
105 [GTMOAuth2ViewControllerTouch
106 removeAuthFromKeychainForName:kKeychainItemName];
107
108 // When the sign in is complete a http redirection occurs, and the
109 // user would see the output. We do not want the user to notice this
110 // transition. Wrapping the oAuth2 Controller in a
111 // UINavigationController causes the view to render as a blank/black
112 // page when a http redirection occurs.
113 return [[UINavigationController alloc]
114 initWithRootViewController:[[GTMOAuth2ViewControllerTouch alloc]
115 initWithScope:Scopes()
116 clientID:ClientId()
117 clientSecret:ClientSecret()
118 keychainItemName:kKeychainItemName
119 delegate:delegate
120 finishedSelector:finishedSelector]];
121 }
122
123 @end
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